And may she feel, too—what, methinks, is the very truth—that this boon was meant, above all things else, to keep the mother’s soul alive, and to preserve her from blacker depths of sin into which Satan might else have sought to plunge her!

In his Indian captivity, moreover, he had gained much knowledge of the properties of native herbs and roots; nor did he conceal from his patients that these simple medicines, Nature’s boon to the untutored savage, had quite as large a share of his own confidence as the European Pharmacopoeia, which so many learned doctors had spent centuries in elaborating.

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More weapons would be a boon as well.

Cassandra Clare -- City of Heavenly Fire

The first boon has been that when the flu arrived on campus last week, we knew in minutes who brought it.